Updated nuspec files

Author: jstedfast

nuget/MailKit.nuspec

@@ -27,7 +27,7 @@ Features include:
     <summary>An Open Source .NET mail-client library for Windows, Mac, Linux, and mobile platforms such as iOS and Android.</summary>
     <releaseNotes>
 * Updated MailService::GetSslClientAuthenticationOptions to be protected virtual. (issue #1931)
-* Fixed initialization of SaslMechanism to lazily check if GSSAPI and/or NTLM are supported (natively) to avoid undesirable error messages appearing in dotnet logs on Linux systems. (issue [#1924](https://github.com/jstedfast/MailKit/issues/1924))
+* Fixed initialization of SaslMechanism to lazily check if GSSAPI and/or NTLM are supported (natively) to avoid undesirable error messages appearing in dotnet logs on Linux systems. (issue #1924)
 * Bumped MimeKit dependency to 4.14.0.
     </releaseNotes>
     <copyright>.NET Foundation and Contributors</copyright>

nuget/MailKitLite.nuspec

@@ -27,7 +27,7 @@ Features include:
     <summary>An Open Source .NET mail-client library for Windows, Mac, Linux, and mobile platforms such as iOS and Android.</summary>
     <releaseNotes>
 * Updated MailService::GetSslClientAuthenticationOptions to be protected virtual. (issue #1931)
-* Fixed initialization of SaslMechanism to lazily check if GSSAPI and/or NTLM are supported (natively) to avoid undesirable error messages appearing in dotnet logs on Linux systems. (issue [#1924](https://github.com/jstedfast/MailKit/issues/1924))
+* Fixed initialization of SaslMechanism to lazily check if GSSAPI and/or NTLM are supported (natively) to avoid undesirable error messages appearing in dotnet logs on Linux systems. (issue #1924)
 * Bumped MimeKit dependency to 4.14.0.
     </releaseNotes>
     <copyright>.NET Foundation and Contributors</copyright>